From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 98978BA21; Wed, 4 Mar 2026 01:11:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772586683; cv=none; b=lLuhanPYxnbh0/naNguARU5O9vYIGAUDY1+s5d/FsxOcsnr/8M+UNn2dCsZ9clSYhZI9bRo14pFBXzG/DDPF9Uxh1dheBcQyUSy1KaRFHiXBZeBJrYd0HBzkjf9jmfEBaoRh4VqbPoX4sbTHWsMwabvzdFuPEqvmlmOGNkCXQ+4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772586683; c=relaxed/simple; bh=a+u6CII2XySrJVxB9Aj8MSv/aAU56seCgKwjrsCHpzo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=JIJbSMhuZSwx7B1LspoGq2+1+qNG6gbBjeG/iRb31iej1ouHKM/VS30pji0DvrxMALQoAontg8CErLebo53DF/6QlN22Dvs/pDO6+Hcx0LQu67PJ6+5dzun/68VsjmvBMhCjevDhMDsycJTxVwKJtWKtmF8DA5C0IELX3Oi9Wxk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PIn0cF9O; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="PIn0cF9O" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EF36EC116C6; Wed, 4 Mar 2026 01:11:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772586683; bh=a+u6CII2XySrJVxB9Aj8MSv/aAU56seCgKwjrsCHpzo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=PIn0cF9OWhpc8b6IfyE3oCV+cnhezEg4uEWxFUEDt73Dipi/R6lOs+WIUWToa5u/c 7Y/jkAuDU0ZNukmCm/o2xvpliz1uR4uSWvYM+9REqMEMrMDVqY7O8BecByrizuv9aM 5hnn7ahvVU6oqng5kJ6JfX6w1fFhqMQZNzXEZ2US+qKQla9+APfBjlCHFyDQTCFFz7 642NSRORvc13ysGBd4x7QODz7V1EujGOCuil46KTNBNtFmSATJXcOEG5PlYtgku9BV 5IvpcX3upiAJvrlPqT5muYM/Br0tS3llHuT4KQjmkbHvCsQf5b7RoFpD92z/JYCwHD dxpWILJ2gFNiA== Date: Tue, 3 Mar 2026 20:11:21 -0500 From: Sasha Levin To: Geert Uytterhoeven Cc: Andrew Morton , Masahiro Yamada , Luis Chamberlain , Linus Torvalds , Richard Weinberger , Juergen Gross , James Bottomley , Jonathan Corbet , Nathan Chancellor , Nicolas Schier , Petr Pavlu , Daniel Gomez , Greg KH , Petr Mladek , Steven Rostedt , Kees Cook , Peter Zijlstra , Thorsten Leemhuis , Vlastimil Babka , linux-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org, linux-modules@vger.kernel.org, linux-doc@vger.kernel.org Subject: Re: [PATCH 3/3] kallsyms: delta-compress lineinfo tables for ~2.7x size reduction Message-ID: References: <20260303182103.3523438-1-sashal@kernel.org> <20260303182103.3523438-4-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: On Tue, Mar 03, 2026 at 10:25:19PM +0100, Geert Uytterhoeven wrote: >FTR, arch/arc/kernel/unwind.c, arch/sh/kernel/dwarf.c, and >tools/perf/util/genelf_debug.calready have (different) LEB128 accessors, >so there is an opportunity for consolidation. Looks like this happens in few other places too... I've created the following (build-tested-only) series on top of the LINEINFO patches to try and consolidate this: https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux.git/log/?h=dedup-lsb128 I can send it out after we figure out what to do with the LINEINFO patches :) -- Thanks, Sasha